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ARP 200-8635 Engine Cylinder Head Bolt Set

Manufacturer

ARP

<h3>The Gold Standard in Performance Fasteners</h3> <p>When racing enthusiast Gary Holzapfel recognized that fastener failure was causing many engine breakdowns in 1968, he founded Automotive Racing Products (ARP) to solve a critical problem in motorsports. Drawing on his aerospace fastener manufacturing experience, Holzapfel created a company that would revolutionize the performance fastener industry. Today, ARP stands as the world's premier manufacturer of high-strength bolts, studs, nuts, and specialized hardware for racing and high-performance applications.</p> <p>ARP controls all aspects of the manufacturing process in-house, with all operations closely monitored, enabling the company to maintain its reputation for zero-defect quality. Every fastener undergoes forging, heat treatment, thread rolling, and precision finishing at ARP's Southern California facilities, which span over 115,000 square feet. This vertically integrated approach ensures that each component meets exacting standards for strength, fatigue resistance, and reliability under extreme conditions.</p> <h3>Engineered for Championship Performance</h3> <p>ARP's customer roster reads like a who's who of professional motorsports. The product line ranges from quality high-performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications. The company's fasteners have secured victories in virtually every major racing championship worldwide, from Top Fuel dragsters to Formula One cars, proving their worth under the most demanding conditions imaginable.</p> <p>The brand's <a href="/48-arp-engine-cylinder-head-bolt-set-10306">engine cylinder head bolt sets</a> represent the cornerstone of ARP's catalog, offering engine builders the clamping force and reliability needed to prevent head gasket failure in high-boost and high-compression applications. These precision-engineered fasteners utilize proprietary materials and heat treatments that deliver up to ten times the fatigue strength of conventional bolts, making them essential for any serious performance build.</p> <p>For engine internals, ARP manufactures <a href="/48-arp-engine-connecting-rod-5276">connecting rods</a> designed to withstand extreme cylinder pressures and high RPM loads. Each rod is manufactured to aerospace standards with tight tolerances and superior material properties. Whether you're building a street performance engine or a full competition powerplant, ARP connecting rods provide the strength and consistency that professional engine builders demand.</p> <h3>Complete Fastener Solutions</h3> <p>Beyond engine components, ARP's product range extends throughout the entire vehicle. The company's <a href="/48-arp-wheel-lug-stud-7680">wheel lug studs</a> offer critical safety and performance benefits for racing and high-performance street applications, providing greater clamping force and durability than factory studs. ARP's product line contains thousands of part numbers and has expanded to include virtually every fastener found in an engine and driveline.</p> <p>Individual <a href="/48-arp-engine-cylinder-head-bolt-5308">engine cylinder head bolts</a> are also available for custom applications or specific replacement needs, manufactured to the same exacting standards as complete sets. This flexibility allows builders to source exactly what they need for specialized builds or repairs without compromising on quality.</p> <p>What sets ARP apart is not just the breadth of their catalog, but their willingness to develop custom solutions for unique applications. The company maintains complete R&D capabilities, including metallurgical research, product design, prototype machining, and extensive laboratory testing. This engineering expertise ensures that whether you're installing a simple head stud kit or building a record-setting race engine, ARP fasteners deliver the reliability and performance that professionals trust.</p>

Part Number

200-8635
07/11/2036 3:05 AM
Sale Price

$17.94

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

ARP maintains their reputation for zero-defect fasteners by controlling every aspect of manufacturing in-house. The 200-8635 is a complete cylinder head bolt set engineered for high-performance engine builds where reliability under extreme cylinder pressure is critical. These head bolts are manufactured from proprietary ARP2000 aerospace-grade steel alloy, heat-treated to deliver 200,000 PSI tensile strength?significantly exceeding the capabilities of standard Grade 8 hardware.

Key Features:

  • ARP2000 alloy steel construction rated at 200,000 PSI tensile strength
  • Black oxide finish for corrosion resistance and optimal lubrication retention
  • Precision rolled threads for superior strength and fatigue resistance
  • Underhead radius design reduces stress concentrations
  • Complete bolt set includes all fasteners needed for cylinder head installation
  • Each fastener meets ARP's stringent quality control standards

ARP head bolts are the gold standard for engine builders who demand maximum clamping force and long-term reliability. The superior material properties and precision manufacturing ensure consistent torque values and eliminate the risk of head gasket failure due to fastener stretch or fatigue.

Products specifications

Fastener Yield Strength (psi)

150,000 psi

Nut Finish

Black oxide

Nut Material

Steel

Nut Style

Hex

Nylon Insert

No

Quantity

Sold as a set of 10.

Self-Locking

No

Size

7/16-20

Socket

5/8

Thread Size

7/16-20 RH in.

Washers Included

No

Wrench Diameter

5/8 in.

Ordering was easy, fast shipping. product is exactly what I ordered. Have not had a chance to install parts yet, so not sure about operating quality.

Wrong rebuild kit for my rack and pinon could not use all parts my rack was alot smaller than kit

Easy and fast

Fast and easy. Saved money on exact fit part.

Fantastic! Will definitely do business in future!

Made it very easy to order.

Easy system to use and good pricing

Very easy to use and nice that you can pay with PayPal. Also the discount coupons and low price are great!

Easy steps go follow. I had a couple of hiccups in registering but overall it went well.

I was very pleased and surprise of the great price and quick delivery. It took only 1 day to get my bike rack

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